8. an ammeter shunt has a voltage drop of 50 mv when 50 a of current flow through it. what is the resistance of the shunt?

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{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [], "new_concepts": [ "Ammeter Shunt", "Ohms Law" ], "current_concepts": [ "Ammeter Shunt", "Ohms Law" ] } ## Identify the given values $$ \begin{aligned} V &= 50\text{ mV} = 50 \times 10^{-3}\text{ V} \ I &= 50\text{ A} \end{aligned} $$ ## Apply Ohm's law to find the shunt resistance $$ \begin{aligned} R_s &= \frac{V}{I} \ R_s &= \frac{50 \times 10^{-3}\text{ V}}{50\text{ A}} \ R_s &= 1 \times 10^{-3}\ \Omega = 0.001\ \Omega \end{aligned} $$ $0.001\ \Omega$ (or $1\text{ m}\Omega$) { "subject": "Natural Science", "question_type": "Free Response", "knowledge_point": [ "Natural Science", "Physics", "Ohm's Law" ] }

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Explanation:

Identify the given values

Apply Ohm's law to find the shunt resistance

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